git.maemo.org Git - monky/blob - src/core.c

   1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
   2  * vim: ts=4 sw=4 noet ai cindent syntax=c
   3  *
   4  * Conky, a system monitor, based on torsmo
   5  *
   6  * Any original torsmo code is licensed under the BSD license
   7  *
   8  * All code written since the fork of torsmo is licensed under the GPL
   9  *
  10  * Please see COPYING for details
  11  *
  12  * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
  13  * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
  14  *      (see AUTHORS)
  15  * All rights reserved.
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  *
  29  */
  30
  31 /* local headers */
  32 #include "core.h"
  33 #include "text_object.h"
  34 #include "algebra.h"
  35 #include "build.h"
  36 #include "colours.h"
  37 #include "combine.h"
  38 #include "diskio.h"
  39 #include "exec.h"
  40 #ifdef X11
  41 #include "fonts.h"
  42 #endif
  43 #include "fs.h"
  44 #ifdef HAVE_ICONV
  45 #include "iconv_tools.h"
  46 #endif
  47 #include "logging.h"
  48 #include "mixer.h"
  49 #include "mail.h"
  50 #include "mboxscan.h"
  51 #include "net_stat.h"
  52 #ifdef NVIDIA
  53 #include "nvidia.h"
  54 #endif
  55 #include "read_tcp.h"
  56 #include "scroll.h"
  57 #include "specials.h"
  58 #include "temphelper.h"
  59 #include "template.h"
  60 #include "tailhead.h"
  61 #include "timeinfo.h"
  62 #include "top.h"
  63
  64 #ifdef NCURSES
  65 #include <ncurses.h>
  66 #endif
  67
  68 /* check for OS and include appropriate headers */
  69 #if defined(__linux__)
  70 #include "linux.h"
  71 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  72 #include "freebsd.h"
  73 #elif defined(__OpenBSD__)
  74 #include "openbsd.h"
  75 #endif
  76
  77 /* OS specific prototypes to be implemented by linux.c & Co. */
  78 void update_entropy(void);
  79
  80 #include <string.h>
  81 #include <ctype.h>
  82
  83 /* strip a leading /dev/ if any, following symlinks first
  84  *
  85  * BEWARE: this function returns a pointer to static content
  86  *         which gets overwritten in consecutive calls. I.e.:
  87  *         this function is NOT reentrant.
  88  */
  89 const char *dev_name(const char *path)
  90 {
  91         static char buf[255];   /* should be enough for pathnames */
  92         ssize_t buflen;
  93
  94         if (!path)
  95                 return NULL;
  96
  97 #define DEV_NAME(x) \
  98   x != NULL && strlen(x) > 5 && strncmp(x, "/dev/", 5) == 0 ? x + 5 : x
  99         if ((buflen = readlink(path, buf, 254)) == -1)
 100                 return DEV_NAME(path);
 101         buf[buflen] = '\0';
 102         return DEV_NAME(buf);
 103 #undef DEV_NAME
 104 }
 105
 106 static struct text_object *new_text_object_internal(void)
 107 {
 108         struct text_object *obj = malloc(sizeof(struct text_object));
 109         memset(obj, 0, sizeof(struct text_object));
 110         return obj;
 111 }
 112
 113 static struct text_object *create_plain_text(const char *s)
 114 {
 115         struct text_object *obj;
 116
 117         if (s == NULL || *s == '\0') {
 118                 return NULL;
 119         }
 120
 121         obj = new_text_object_internal();
 122
 123         obj->type = OBJ_text;
 124         obj->data.s = strndup(s, text_buffer_size);
 125         return obj;
 126 }
 127
 128 /* construct_text_object() creates a new text_object */
 129 struct text_object *construct_text_object(const char *s, const char *arg, long
 130                 line, void **ifblock_opaque, void *free_at_crash)
 131 {
 132         // struct text_object *obj = new_text_object();
 133         struct text_object *obj = new_text_object_internal();
 134
 135         obj->line = line;
 136
 137 /* helper defines for internal use only */
 138 #define __OBJ_HEAD(a, n) if (!strcmp(s, #a)) { \
 139         obj->type = OBJ_##a; add_update_callback(n);
 140 #define __OBJ_IF obj_be_ifblock_if(ifblock_opaque, obj)
 141 #define __OBJ_ARG(...) if (!arg) { CRIT_ERR(obj, free_at_crash, __VA_ARGS__); }
 142
 143 /* defines to be used below */
 144 #define OBJ(a, n) __OBJ_HEAD(a, n) {
 145 #define OBJ_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) {
 146 #define OBJ_IF(a, n) __OBJ_HEAD(a, n) __OBJ_IF; {
 147 #define OBJ_IF_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) __OBJ_IF; {
 148 #define END } } else
 149
 150 #ifdef X11
 151         if (s[0] == '#') {
 152                 obj->type = OBJ_color;
 153                 obj->data.l = get_x11_color(s);
 154         } else
 155 #endif /* X11 */
 156 #ifdef __OpenBSD__
 157         OBJ(freq, 0)
 158 #else
 159         OBJ(acpitemp, 0)
 160                 obj->data.i = open_acpi_temperature(arg);
 161         END OBJ(acpiacadapter, 0)
 162         END OBJ(freq, 0)
 163 #endif /* !__OpenBSD__ */
 164                 get_cpu_count();
 165                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 166                                 || atoi(&arg[0]) > info.cpu_count) {
 167                         obj->data.i = 1;
 168                         /* NORM_ERR("freq: Invalid CPU number or you don't have that many CPUs! "
 169                                 "Displaying the clock for CPU 1."); */
 170                 } else {
 171                         obj->data.i = atoi(&arg[0]);
 172                 }
 173                 obj->a = 1;
 174         END OBJ(freq_g, 0)
 175                 get_cpu_count();
 176                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 177                                 || atoi(&arg[0]) > info.cpu_count) {
 178                         obj->data.i = 1;
 179                         /* NORM_ERR("freq_g: Invalid CPU number or you don't have that many "
 180                                 "CPUs! Displaying the clock for CPU 1."); */
 181                 } else {
 182                         obj->data.i = atoi(&arg[0]);
 183                 }
 184                 obj->a = 1;
 185         END OBJ_ARG(read_tcp, 0, "read_tcp: Needs \"(host) port\" as argument(s)")
 186                 parse_read_tcp_arg(obj, arg, free_at_crash);
 187 #if defined(__linux__)
 188         END OBJ(voltage_mv, 0)
 189                 get_cpu_count();
 190                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 191                                 || atoi(&arg[0]) > info.cpu_count) {
 192                         obj->data.i = 1;
 193                         /* NORM_ERR("voltage_mv: Invalid CPU number or you don't have that many "
 194                                 "CPUs! Displaying voltage for CPU 1."); */
 195                 } else {
 196                         obj->data.i = atoi(&arg[0]);
 197                 }
 198                 obj->a = 1;
 199         END OBJ(voltage_v, 0)
 200                 get_cpu_count();
 201                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 202                                 || atoi(&arg[0]) > info.cpu_count) {
 203                         obj->data.i = 1;
 204                         /* NORM_ERR("voltage_v: Invalid CPU number or you don't have that many "
 205                                 "CPUs! Displaying voltage for CPU 1."); */
 206                 } else {
 207                         obj->data.i = atoi(&arg[0]);
 208                 }
 209                 obj->a = 1;
 210
 211 #ifdef HAVE_IWLIB
 212         END OBJ(wireless_essid, &update_net_stats)
 213                 parse_net_stat_arg(obj, arg, free_at_crash);
 214         END OBJ(wireless_mode, &update_net_stats)
 215                 parse_net_stat_arg(obj, arg, free_at_crash);
 216         END OBJ(wireless_bitrate, &update_net_stats)
 217                 parse_net_stat_arg(obj, arg, free_at_crash);
 218         END OBJ(wireless_ap, &update_net_stats)
 219                 parse_net_stat_arg(obj, arg, free_at_crash);
 220         END OBJ(wireless_link_qual, &update_net_stats)
 221                 parse_net_stat_arg(obj, arg, free_at_crash);
 222         END OBJ(wireless_link_qual_max, &update_net_stats)
 223                 parse_net_stat_arg(obj, arg, free_at_crash);
 224         END OBJ(wireless_link_qual_perc, &update_net_stats)
 225                 parse_net_stat_arg(obj, arg, free_at_crash);
 226         END OBJ(wireless_link_bar, &update_net_stats)
 227                 parse_net_stat_bar_arg(obj, arg, free_at_crash);
 228 #endif /* HAVE_IWLIB */
 229
 230 #endif /* __linux__ */
 231
 232 #ifndef __OpenBSD__
 233         END OBJ(acpifan, 0)
 234         END OBJ(battery, 0)
 235                 char bat[64];
 236
 237                 if (arg) {
 238                         sscanf(arg, "%63s", bat);
 239                 } else {
 240                         strcpy(bat, "BAT0");
 241                 }
 242                 obj->data.s = strndup(bat, text_buffer_size);
 243         END OBJ(battery_short, 0)
 244                 char bat[64];
 245
 246                 if (arg) {
 247                         sscanf(arg, "%63s", bat);
 248                 } else {
 249                         strcpy(bat, "BAT0");
 250                 }
 251                 obj->data.s = strndup(bat, text_buffer_size);
 252         END OBJ(battery_time, 0)
 253                 char bat[64];
 254
 255                 if (arg) {
 256                         sscanf(arg, "%63s", bat);
 257                 } else {
 258                         strcpy(bat, "BAT0");
 259                 }
 260                 obj->data.s = strndup(bat, text_buffer_size);
 261         END OBJ(battery_percent, 0)
 262                 char bat[64];
 263
 264                 if (arg) {
 265                         sscanf(arg, "%63s", bat);
 266                 } else {
 267                         strcpy(bat, "BAT0");
 268                 }
 269                 obj->data.s = strndup(bat, text_buffer_size);
 270         END OBJ(battery_bar, 0)
 271                 char bat[64];
 272                 if (arg) {
 273                         arg = scan_bar(obj, arg);
 274                         sscanf(arg, "%63s", bat);
 275                 } else {
 276                         strcpy(bat, "BAT0");
 277                 }
 278                 obj->data.s = strndup(bat, text_buffer_size);
 279 #endif /* !__OpenBSD__ */
 280
 281 #if defined(__linux__)
 282         END OBJ_ARG(disk_protect, 0, "disk_protect needs an argument")
 283                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 284         END OBJ(i8k_version, &update_i8k)
 285         END OBJ(i8k_bios, &update_i8k)
 286         END OBJ(i8k_serial, &update_i8k)
 287         END OBJ(i8k_cpu_temp, &update_i8k)
 288         END OBJ(i8k_left_fan_status, &update_i8k)
 289         END OBJ(i8k_right_fan_status, &update_i8k)
 290         END OBJ(i8k_left_fan_rpm, &update_i8k)
 291         END OBJ(i8k_right_fan_rpm, &update_i8k)
 292         END OBJ(i8k_ac_status, &update_i8k)
 293         END OBJ(i8k_buttons_status, &update_i8k)
 294 #if defined(IBM)
 295         END OBJ(ibm_fan, 0)
 296         END OBJ_ARG(ibm_temps, &get_ibm_acpi_temps, "ibm_temps: needs an argument")
 297                 parse_ibm_temps_arg(obj, arg);
 298         END OBJ(ibm_volume, 0)
 299         END OBJ(ibm_brightness, 0)
 300 #endif
 301         /* information from sony_laptop kernel module
 302          * /sys/devices/platform/sony-laptop */
 303         END OBJ(sony_fanspeed, 0)
 304         END OBJ_IF(if_gw, &update_gateway_info)
 305         END OBJ_ARG(ioscheduler, 0, "get_ioscheduler needs an argument (e.g. hda)")
 306                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 307         END OBJ(laptop_mode, 0)
 308         END OBJ_ARG(pb_battery, 0, "pb_battery: needs one argument: status, percent or time")
 309                 if (strcmp(arg, "status") == EQUAL) {
 310                         obj->data.i = PB_BATT_STATUS;
 311                 } else if (strcmp(arg, "percent") == EQUAL) {
 312                         obj->data.i = PB_BATT_PERCENT;
 313                 } else if (strcmp(arg, "time") == EQUAL) {
 314                         obj->data.i = PB_BATT_TIME;
 315                 } else {
 316                         NORM_ERR("pb_battery: illegal argument '%s', defaulting to status", arg);
 317                         obj->data.i = PB_BATT_STATUS;
 318                 }
 319 #endif /* __linux__ */
 320 #if (defined(__FreeBSD__) || defined(__linux__))
 321         END OBJ_IF_ARG(if_up, 0, "if_up needs an argument")
 322                 parse_if_up_arg(obj, arg);
 323 #endif
 324 #if defined(__OpenBSD__)
 325         END OBJ_ARG(obsd_sensors_temp, 0, "obsd_sensors_temp: needs an argument")
 326                 parse_obsd_sensor(obj, arg);
 327         END OBJ_ARG(obsd_sensors_fan, 0, "obsd_sensors_fan: needs 2 arguments (device and sensor number)")
 328                 parse_obsd_sensor(obj, arg);
 329         END OBJ_ARG(obsd_sensors_volt, 0, "obsd_sensors_volt: needs 2 arguments (device and sensor number)")
 330                 parse_obsd_sensor(obj, arg);
 331         END OBJ(obsd_vendor, 0)
 332         END OBJ(obsd_product, 0)
 333 #endif /* __OpenBSD__ */
 334         END OBJ(buffers, &update_meminfo)
 335         END OBJ(cached, &update_meminfo)
 336 #define SCAN_CPU(__arg, __var) { \
 337         int __offset = 0; \
 338         if (__arg && sscanf(__arg, " cpu%d %n", &__var, &__offset) > 0) \
 339                 __arg += __offset; \
 340         else \
 341                 __var = 0; \
 342 }
 343         END OBJ(cpu, &update_cpu_usage)
 344                 SCAN_CPU(arg, obj->data.i);
 345                 DBGP2("Adding $cpu for CPU %d", obj->data.i);
 346 #ifdef X11
 347         END OBJ(cpugauge, &update_cpu_usage)
 348                 SIZE_DEFAULTS(gauge);
 349                 SCAN_CPU(arg, obj->data.i);
 350                 scan_gauge(arg, &obj->a, &obj->b);
 351                 DBGP2("Adding $cpugauge for CPU %d", obj->data.i);
 352 #endif /* X11 */
 353         END OBJ(cpubar, &update_cpu_usage)
 354                 SCAN_CPU(arg, obj->data.i);
 355                 scan_bar(obj, arg);
 356                 DBGP2("Adding $cpubar for CPU %d", obj->data.i);
 357 #ifdef X11
 358         END OBJ(cpugraph, &update_cpu_usage)
 359                 char *buf = 0;
 360                 SIZE_DEFAULTS(graph);
 361                 SCAN_CPU(arg, obj->data.i);
 362                 buf = scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d,
 363                         &obj->e, &obj->char_a, &obj->char_b);
 364                 DBGP2("Adding $cpugraph for CPU %d", obj->data.i);
 365                 if (buf) free(buf);
 366         END OBJ(loadgraph, &update_load_average)
 367                 scan_loadgraph_arg(obj, arg);
 368 #endif /* X11 */
 369         END OBJ(diskio, &update_diskio)
 370                 parse_diskio_arg(obj, arg);
 371         END OBJ(diskio_read, &update_diskio)
 372                 parse_diskio_arg(obj, arg);
 373         END OBJ(diskio_write, &update_diskio)
 374                 parse_diskio_arg(obj, arg);
 375 #ifdef X11
 376         END OBJ(diskiograph, &update_diskio)
 377                 parse_diskiograph_arg(obj, arg);
 378         END OBJ(diskiograph_read, &update_diskio)
 379                 parse_diskiograph_arg(obj, arg);
 380         END OBJ(diskiograph_write, &update_diskio)
 381                 parse_diskiograph_arg(obj, arg);
 382 #endif /* X11 */
 383         END OBJ(color, 0)
 384 #ifdef X11
 385                 if (output_methods & TO_X) {
 386                         obj->data.l = arg ? get_x11_color(arg) : default_fg_color;
 387                         set_current_text_color(obj->data.l);
 388                 }
 389 #endif /* X11 */
 390 #ifdef NCURSES
 391                 if (output_methods & TO_NCURSES) {
 392                         obj->data.l = COLOR_WHITE;
 393                         if(arg) {
 394                                 if(strcasecmp(arg, "red") == 0) {
 395                                         obj->data.l = COLOR_RED;
 396                                 }else if(strcasecmp(arg, "green") == 0) {
 397                                         obj->data.l = COLOR_GREEN;
 398                                 }else if(strcasecmp(arg, "yellow") == 0) {
 399                                         obj->data.l = COLOR_YELLOW;
 400                                 }else if(strcasecmp(arg, "blue") == 0) {
 401                                         obj->data.l = COLOR_BLUE;
 402                                 }else if(strcasecmp(arg, "magenta") == 0) {
 403                                         obj->data.l = COLOR_MAGENTA;
 404                                 }else if(strcasecmp(arg, "cyan") == 0) {
 405                                         obj->data.l = COLOR_CYAN;
 406                                 }else if(strcasecmp(arg, "black") == 0) {
 407                                         obj->data.l = COLOR_BLACK;
 408                                 }
 409                         }
 410                         set_current_text_color(obj->data.l);
 411                         init_pair(obj->data.l, obj->data.l, COLOR_BLACK);
 412                 }
 413 #endif /* NCURSES */
 414         END OBJ(color0, 0)
 415                 obj->data.l = color0;
 416                 set_current_text_color(obj->data.l);
 417         END OBJ(color1, 0)
 418                 obj->data.l = color1;
 419                 set_current_text_color(obj->data.l);
 420         END OBJ(color2, 0)
 421                 obj->data.l = color2;
 422                 set_current_text_color(obj->data.l);
 423         END OBJ(color3, 0)
 424                 obj->data.l = color3;
 425                 set_current_text_color(obj->data.l);
 426         END OBJ(color4, 0)
 427                 obj->data.l = color4;
 428                 set_current_text_color(obj->data.l);
 429         END OBJ(color5, 0)
 430                 obj->data.l = color5;
 431                 set_current_text_color(obj->data.l);
 432         END OBJ(color6, 0)
 433                 obj->data.l = color6;
 434                 set_current_text_color(obj->data.l);
 435         END OBJ(color7, 0)
 436                 obj->data.l = color7;
 437                 set_current_text_color(obj->data.l);
 438         END OBJ(color8, 0)
 439                 obj->data.l = color8;
 440                 set_current_text_color(obj->data.l);
 441         END OBJ(color9, 0)
 442                 obj->data.l = color9;
 443                 set_current_text_color(obj->data.l);
 444 #ifdef X11
 445         END OBJ(font, 0)
 446                 obj->data.s = scan_font(arg);
 447 #endif /* X11 */
 448         END OBJ(conky_version, 0)
 449         END OBJ(conky_build_date, 0)
 450         END OBJ(conky_build_arch, 0)
 451         END OBJ(downspeed, &update_net_stats)
 452                 parse_net_stat_arg(obj, arg, free_at_crash);
 453         END OBJ(downspeedf, &update_net_stats)
 454                 parse_net_stat_arg(obj, arg, free_at_crash);
 455 #ifdef X11
 456         END OBJ(downspeedgraph, &update_net_stats)
 457                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 458 #endif /* X11 */
 459         END OBJ(else, 0)
 460                 obj_be_ifblock_else(ifblock_opaque, obj);
 461         END OBJ(endif, 0)
 462                 obj_be_ifblock_endif(ifblock_opaque, obj);
 463         END OBJ(eval, 0)
 464                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 465 #if defined(IMLIB2) && defined(X11)
 466         END OBJ(image, 0)
 467                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 468 #endif /* IMLIB2 */
 469         END OBJ(exec, 0)
 470                 scan_exec_arg(obj, arg);
 471         END OBJ(execp, 0)
 472                 scan_exec_arg(obj, arg);
 473         END OBJ(execbar, 0)
 474                 scan_exec_arg(obj, arg);
 475 #ifdef X11
 476         END OBJ(execgauge, 0)
 477                 SIZE_DEFAULTS(gauge);
 478                 scan_exec_arg(obj, arg);
 479         END OBJ(execgraph, 0)
 480                 SIZE_DEFAULTS(graph);
 481                 scan_exec_arg(obj, arg);
 482 #endif /* X11 */
 483         END OBJ_ARG(execibar, 0, "execibar needs arguments")
 484                 scan_execi_arg(obj, arg);
 485 #ifdef X11
 486         END OBJ_ARG(execigraph, 0, "execigraph needs arguments")
 487                 SIZE_DEFAULTS(graph);
 488                 scan_execi_arg(obj, arg);
 489         END OBJ_ARG(execigauge, 0, "execigauge needs arguments")
 490                 SIZE_DEFAULTS(gauge);
 491                 scan_execi_arg(obj, arg);
 492 #endif /* X11 */
 493         END OBJ_ARG(execi, 0, "execi needs arguments")
 494                 scan_execi_arg(obj, arg);
 495         END OBJ_ARG(execpi, 0, "execpi needs arguments")
 496                 scan_execi_arg(obj, arg);
 497         END OBJ_ARG(texeci, 0, "texeci needs arguments")
 498                 scan_execi_arg(obj, arg);
 499         END OBJ(pre_exec, 0)
 500                 scan_pre_exec_arg(obj, arg);
 501         END OBJ(fs_bar, &update_fs_stats)
 502                 init_fs_bar(obj, arg);
 503         END OBJ(fs_bar_free, &update_fs_stats)
 504                 init_fs_bar(obj, arg);
 505         END OBJ(fs_free, &update_fs_stats)
 506                 init_fs(obj, arg);
 507         END OBJ(fs_used_perc, &update_fs_stats)
 508                 init_fs(obj, arg);
 509         END OBJ(fs_free_perc, &update_fs_stats)
 510                 init_fs(obj, arg);
 511         END OBJ(fs_size, &update_fs_stats)
 512                 init_fs(obj, arg);
 513         END OBJ(fs_type, &update_fs_stats)
 514                 init_fs(obj, arg);
 515         END OBJ(fs_used, &update_fs_stats)
 516                 init_fs(obj, arg);
 517         END OBJ(hr, 0)
 518                 obj->data.i = arg ? atoi(arg) : 1;
 519         END OBJ(nameserver, &update_dns_data)
 520                 parse_nameserver_arg(obj, arg);
 521         END OBJ(offset, 0)
 522                 obj->data.i = arg ? atoi(arg) : 1;
 523         END OBJ(voffset, 0)
 524                 obj->data.i = arg ? atoi(arg) : 1;
 525         END OBJ_ARG(goto, 0, "goto needs arguments")
 526                 obj->data.i = atoi(arg);
 527         END OBJ(tab, 0)
 528                 int a = 10, b = 0;
 529
 530                 if (arg) {
 531                         if (sscanf(arg, "%d %d", &a, &b) != 2) {
 532                                 sscanf(arg, "%d", &b);
 533                         }
 534                 }
 535                 if (a <= 0) {
 536                         a = 1;
 537                 }
 538                 obj->data.pair.a = a;
 539                 obj->data.pair.b = b;
 540
 541 #ifdef __linux__
 542         END OBJ_ARG(i2c, 0, "i2c needs arguments")
 543                 parse_i2c_sensor(obj, arg);
 544         END OBJ_ARG(platform, 0, "platform needs arguments")
 545                 parse_platform_sensor(obj, arg);
 546         END OBJ_ARG(hwmon, 0, "hwmon needs argumanets")
 547                 parse_hwmon_sensor(obj, arg);
 548 #endif /* __linux__ */
 549
 550         END
 551         /* we have four different types of top (top, top_mem, top_time and top_io). To
 552          * avoid having almost-same code four times, we have this special
 553          * handler. */
 554         if (strncmp(s, "top", 3) == EQUAL) {
 555                 add_update_callback(&update_meminfo);
 556                 add_update_callback(&update_top);
 557                 if (!parse_top_args(s, arg, obj)) {
 558                         return NULL;
 559                 }
 560         } else OBJ(addr, &update_net_stats)
 561                 parse_net_stat_arg(obj, arg, free_at_crash);
 562 #if defined(__linux__)
 563         END OBJ(addrs, &update_net_stats)
 564                 parse_net_stat_arg(obj, arg, free_at_crash);
 565 #endif /* __linux__ */
 566         END OBJ_ARG(tail, 0, "tail needs arguments")
 567                 init_tailhead("tail", arg, obj, free_at_crash);
 568         END OBJ_ARG(head, 0, "head needs arguments")
 569                 init_tailhead("head", arg, obj, free_at_crash);
 570         END OBJ_ARG(lines, 0, "lines needs an argument")
 571                 obj->data.s = strndup(arg, text_buffer_size);
 572         END OBJ_ARG(words, 0, "words needs a argument")
 573                 obj->data.s = strndup(arg, text_buffer_size);
 574         END OBJ(loadavg, &update_load_average)
 575                 scan_loadavg_arg(obj, arg);
 576         END OBJ_IF_ARG(if_empty, 0, "if_empty needs an argument")
 577                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 578                 obj->sub = malloc(sizeof(struct text_object));
 579                 extract_variable_text_internal(obj->sub, obj->data.ifblock.s);
 580         END OBJ_IF_ARG(if_match, 0, "if_match needs arguments")
 581                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 582                 obj->sub = malloc(sizeof(struct text_object));
 583                 extract_variable_text_internal(obj->sub, obj->data.ifblock.s);
 584         END OBJ_IF_ARG(if_existing, 0, "if_existing needs an argument or two")
 585                 char buf1[256], buf2[256];
 586                 int r = sscanf(arg, "%255s %255[^\n]", buf1, buf2);
 587
 588                 if (r == 1) {
 589                         obj->data.ifblock.s = strndup(buf1, text_buffer_size);
 590                         obj->data.ifblock.str = NULL;
 591                 } else {
 592                         obj->data.ifblock.s = strndup(buf1, text_buffer_size);
 593                         obj->data.ifblock.str = strndup(buf2, text_buffer_size);
 594                 }
 595                 DBGP("if_existing: '%s' '%s'", obj->data.ifblock.s, obj->data.ifblock.str);
 596         END OBJ_IF_ARG(if_mounted, 0, "if_mounted needs an argument")
 597                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 598 #ifdef __linux__
 599         END OBJ_IF_ARG(if_running, &update_top, "if_running needs an argument")
 600                 top_running = 1;
 601                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 602 #else
 603         END OBJ_IF_ARG(if_running, 0, "if_running needs an argument")
 604                 char buf[256];
 605
 606                 snprintf(buf, 256, "pidof %s >/dev/null", arg);
 607                 obj->data.ifblock.s = strndup(buf, text_buffer_size);
 608 #endif
 609         END OBJ(kernel, 0)
 610         END OBJ(machine, 0)
 611         END OBJ(mails, 0)
 612                 parse_local_mail_args(obj, arg);
 613         END OBJ(new_mails, 0)
 614                 parse_local_mail_args(obj, arg);
 615         END OBJ(seen_mails, 0)
 616                 parse_local_mail_args(obj, arg);
 617         END OBJ(unseen_mails, 0)
 618                 parse_local_mail_args(obj, arg);
 619         END OBJ(flagged_mails, 0)
 620                 parse_local_mail_args(obj, arg);
 621         END OBJ(unflagged_mails, 0)
 622                 parse_local_mail_args(obj, arg);
 623         END OBJ(forwarded_mails, 0)
 624                 parse_local_mail_args(obj, arg);
 625         END OBJ(unforwarded_mails, 0)
 626                 parse_local_mail_args(obj, arg);
 627         END OBJ(replied_mails, 0)
 628                 parse_local_mail_args(obj, arg);
 629         END OBJ(unreplied_mails, 0)
 630                 parse_local_mail_args(obj, arg);
 631         END OBJ(draft_mails, 0)
 632                 parse_local_mail_args(obj, arg);
 633         END OBJ(trashed_mails, 0)
 634                 parse_local_mail_args(obj, arg);
 635         END OBJ(mboxscan, 0)
 636                 parse_mboxscan_arg(obj, arg);
 637         END OBJ(mem, &update_meminfo)
 638         END OBJ(memeasyfree, &update_meminfo)
 639         END OBJ(memfree, &update_meminfo)
 640         END OBJ(memmax, &update_meminfo)
 641         END OBJ(memperc, &update_meminfo)
 642 #ifdef X11
 643         END OBJ(memgauge, &update_meminfo)
 644                 SIZE_DEFAULTS(gauge);
 645                 scan_gauge(arg, &obj->data.pair.a, &obj->data.pair.b);
 646 #endif /* X11*/
 647         END OBJ(membar, &update_meminfo)
 648                 scan_bar(obj, arg);
 649 #ifdef X11
 650         END OBJ(memgraph, &update_meminfo)
 651                 char *buf = 0;
 652                 SIZE_DEFAULTS(graph);
 653                 buf = scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d,
 654                                 &obj->e, &obj->char_a, &obj->char_b);
 655
 656                 if (buf) free(buf);
 657 #endif /* X11*/
 658         END OBJ(mixer, 0)
 659                 parse_mixer_arg(obj, arg);
 660         END OBJ(mixerl, 0)
 661                 parse_mixer_arg(obj, arg);
 662         END OBJ(mixerr, 0)
 663                 parse_mixer_arg(obj, arg);
 664 #ifdef X11
 665         END OBJ(mixerbar, 0)
 666                 scan_mixer_bar(obj, arg);
 667         END OBJ(mixerlbar, 0)
 668                 scan_mixer_bar(obj, arg);
 669         END OBJ(mixerrbar, 0)
 670                 scan_mixer_bar(obj, arg);
 671 #endif
 672         END OBJ_IF(if_mixer_mute, 0)
 673                 parse_mixer_arg(obj, arg);
 674 #ifdef X11
 675         END OBJ(monitor, &update_x11info)
 676         END OBJ(monitor_number, &update_x11info)
 677         END OBJ(desktop, &update_x11info)
 678         END OBJ(desktop_number, &update_x11info)
 679         END OBJ(desktop_name, &update_x11info)
 680 #endif
 681         END OBJ(nodename, 0)
 682         END OBJ(processes, &update_total_processes)
 683         END OBJ(running_processes, &update_running_processes)
 684         END OBJ(shadecolor, 0)
 685 #ifdef X11
 686                 obj->data.l = arg ? get_x11_color(arg) : default_bg_color;
 687 #endif /* X11 */
 688         END OBJ(outlinecolor, 0)
 689 #ifdef X11
 690                 obj->data.l = arg ? get_x11_color(arg) : default_out_color;
 691 #endif /* X11 */
 692         END OBJ(stippled_hr, 0)
 693 #ifdef X11
 694                 int a = get_stippled_borders(), b = 1;
 695
 696                 if (arg) {
 697                         if (sscanf(arg, "%d %d", &a, &b) != 2) {
 698                                 sscanf(arg, "%d", &b);
 699                         }
 700                 }
 701                 if (a <= 0) {
 702                         a = 1;
 703                 }
 704                 obj->data.pair.a = a;
 705                 obj->data.pair.b = b;
 706 #endif /* X11 */
 707         END OBJ(swap, &update_meminfo)
 708         END OBJ(swapfree, &update_meminfo)
 709         END OBJ(swapmax, &update_meminfo)
 710         END OBJ(swapperc, &update_meminfo)
 711         END OBJ(swapbar, &update_meminfo)
 712                 scan_bar(obj, arg);
 713         END OBJ(sysname, 0)
 714         END OBJ(time, 0)
 715                 scan_time(obj, arg);
 716         END OBJ(utime, 0)
 717                 scan_time(obj, arg);
 718         END OBJ(tztime, 0)
 719                 scan_tztime(obj, arg);
 720 #ifdef HAVE_ICONV
 721         END OBJ_ARG(iconv_start, 0, "Iconv requires arguments")
 722                 init_iconv_start(obj, free_at_crash, arg);
 723         END OBJ(iconv_stop, 0)
 724                 init_iconv_stop();
 725 #endif
 726         END OBJ(totaldown, &update_net_stats)
 727                 parse_net_stat_arg(obj, arg, free_at_crash);
 728         END OBJ(totalup, &update_net_stats)
 729                 parse_net_stat_arg(obj, arg, free_at_crash);
 730         END OBJ(updates, 0)
 731         END OBJ_IF(if_updatenr, 0)
 732                 obj->data.ifblock.i = arg ? atoi(arg) : 0;
 733                 if(obj->data.ifblock.i == 0) CRIT_ERR(obj, free_at_crash, "if_updatenr needs a number above 0 as argument");
 734                 set_updatereset(obj->data.ifblock.i > get_updatereset() ? obj->data.ifblock.i : get_updatereset());
 735         END OBJ(alignr, 0)
 736                 obj->data.i = arg ? atoi(arg) : 0;
 737         END OBJ(alignc, 0)
 738                 obj->data.i = arg ? atoi(arg) : 0;
 739         END OBJ(upspeed, &update_net_stats)
 740                 parse_net_stat_arg(obj, arg, free_at_crash);
 741         END OBJ(upspeedf, &update_net_stats)
 742                 parse_net_stat_arg(obj, arg, free_at_crash);
 743 #ifdef X11
 744         END OBJ(upspeedgraph, &update_net_stats)
 745                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 746 #endif
 747         END OBJ(uptime_short, &update_uptime)
 748         END OBJ(uptime, &update_uptime)
 749         END OBJ(user_names, &update_users)
 750         END OBJ(user_times, &update_users)
 751         END OBJ(user_terms, &update_users)
 752         END OBJ(user_number, &update_users)
 753 #if defined(__linux__)
 754         END OBJ(gw_iface, &update_gateway_info)
 755         END OBJ(gw_ip, &update_gateway_info)
 756 #endif /* !__linux__ */
 757 #ifndef __OpenBSD__
 758         END OBJ(adt746xcpu, 0)
 759         END OBJ(adt746xfan, 0)
 760 #endif /* !__OpenBSD__ */
 761 #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
 762                 || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__))
 763         END OBJ(apm_adapter, 0)
 764         END OBJ(apm_battery_life, 0)
 765         END OBJ(apm_battery_time, 0)
 766 #endif /* __FreeBSD__ */
 767         END OBJ(imap_unseen, 0)
 768                 parse_imap_mail_args(obj, arg);
 769         END OBJ(imap_messages, 0)
 770                 parse_imap_mail_args(obj, arg);
 771         END OBJ(pop3_unseen, 0)
 772                 parse_pop3_mail_args(obj, arg);
 773         END OBJ(pop3_used, 0)
 774                 parse_pop3_mail_args(obj, arg);
 775 #ifdef IBM
 776         END OBJ_ARG(smapi, 0, "smapi needs an argument")
 777                 obj->data.s = strndup(arg, text_buffer_size);
 778         END OBJ_IF_ARG(if_smapi_bat_installed, 0, "if_smapi_bat_installed needs an argument")
 779                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 780         END OBJ_ARG(smapi_bat_perc, 0, "smapi_bat_perc needs an argument")
 781                 obj->data.s = strndup(arg, text_buffer_size);
 782         END OBJ_ARG(smapi_bat_temp, 0, "smapi_bat_temp needs an argument")
 783                 obj->data.s = strndup(arg, text_buffer_size);
 784         END OBJ_ARG(smapi_bat_power, 0, "smapi_bat_power needs an argument")
 785                 obj->data.s = strndup(arg, text_buffer_size);
 786 #ifdef X11
 787         END OBJ_ARG(smapi_bat_bar, 0, "smapi_bat_bar needs an argument")
 788                 int cnt;
 789                 if(sscanf(arg, "%i %n", &obj->data.i, &cnt) <= 0) {
 790                         NORM_ERR("first argument to smapi_bat_bar must be an integer value");
 791                         obj->data.i = -1;
 792                 } else
 793                         arg = scan_bar(obj, arg + cnt);
 794 #endif /* X11 */
 795 #endif /* IBM */
 796 #ifdef MPD
 797 #define mpd_set_maxlen(name) \
 798                 if (arg) { \
 799                         int i; \
 800                         sscanf(arg, "%d", &i); \
 801                         if (i > 0) \
 802                                 obj->data.i = i + 1; \
 803                         else \
 804                                 NORM_ERR(#name ": invalid length argument"); \
 805                 }
 806         END OBJ(mpd_artist, &update_mpd)
 807                 mpd_set_maxlen(mpd_artist);
 808                 init_mpd();
 809         END OBJ(mpd_title, &update_mpd)
 810                 mpd_set_maxlen(mpd_title);
 811                 init_mpd();
 812         END OBJ(mpd_random, &update_mpd) init_mpd();
 813         END OBJ(mpd_repeat, &update_mpd) init_mpd();
 814         END OBJ(mpd_elapsed, &update_mpd) init_mpd();
 815         END OBJ(mpd_length, &update_mpd) init_mpd();
 816         END OBJ(mpd_track, &update_mpd)
 817                 mpd_set_maxlen(mpd_track);
 818                 init_mpd();
 819         END OBJ(mpd_name, &update_mpd)
 820                 mpd_set_maxlen(mpd_name);
 821                 init_mpd();
 822         END OBJ(mpd_file, &update_mpd)
 823                 mpd_set_maxlen(mpd_file);
 824                 init_mpd();
 825         END OBJ(mpd_percent, &update_mpd) init_mpd();
 826         END OBJ(mpd_album, &update_mpd)
 827                 mpd_set_maxlen(mpd_album);
 828                 init_mpd();
 829         END OBJ(mpd_vol, &update_mpd) init_mpd();
 830         END OBJ(mpd_bitrate, &update_mpd) init_mpd();
 831         END OBJ(mpd_status, &update_mpd) init_mpd();
 832         END OBJ(mpd_bar, &update_mpd)
 833                 scan_bar(obj, arg);
 834                 init_mpd();
 835         END OBJ(mpd_smart, &update_mpd)
 836                 mpd_set_maxlen(mpd_smart);
 837                 init_mpd();
 838         END OBJ_IF(if_mpd_playing, &update_mpd)
 839                 init_mpd();
 840 #undef mpd_set_maxlen
 841 #endif /* MPD */
 842 #ifdef MOC
 843         END OBJ(moc_state, &update_moc)
 844         END OBJ(moc_file, &update_moc)
 845         END OBJ(moc_title, &update_moc)
 846         END OBJ(moc_artist, &update_moc)
 847         END OBJ(moc_song, &update_moc)
 848         END OBJ(moc_album, &update_moc)
 849         END OBJ(moc_totaltime, &update_moc)
 850         END OBJ(moc_timeleft, &update_moc)
 851         END OBJ(moc_curtime, &update_moc)
 852         END OBJ(moc_bitrate, &update_moc)
 853         END OBJ(moc_rate, &update_moc)
 854 #endif /* MOC */
 855 #ifdef XMMS2
 856         END OBJ(xmms2_artist, &update_xmms2)
 857         END OBJ(xmms2_album, &update_xmms2)
 858         END OBJ(xmms2_title, &update_xmms2)
 859         END OBJ(xmms2_genre, &update_xmms2)
 860         END OBJ(xmms2_comment, &update_xmms2)
 861         END OBJ(xmms2_url, &update_xmms2)
 862         END OBJ(xmms2_tracknr, &update_xmms2)
 863         END OBJ(xmms2_bitrate, &update_xmms2)
 864         END OBJ(xmms2_date, &update_xmms2)
 865         END OBJ(xmms2_id, &update_xmms2)
 866         END OBJ(xmms2_duration, &update_xmms2)
 867         END OBJ(xmms2_elapsed, &update_xmms2)
 868         END OBJ(xmms2_size, &update_xmms2)
 869         END OBJ(xmms2_status, &update_xmms2)
 870         END OBJ(xmms2_percent, &update_xmms2)
 871 #ifdef X11
 872         END OBJ(xmms2_bar, &update_xmms2)
 873                 scan_bar(obj, arg);
 874 #endif /* X11 */
 875         END OBJ(xmms2_smart, &update_xmms2)
 876         END OBJ(xmms2_playlist, &update_xmms2)
 877         END OBJ(xmms2_timesplayed, &update_xmms2)
 878         END OBJ_IF(if_xmms2_connected, &update_xmms2)
 879 #endif
 880 #ifdef AUDACIOUS
 881         END OBJ(audacious_status, &update_audacious)
 882         END OBJ_ARG(audacious_title, &update_audacious, "audacious_title needs an argument")
 883                 sscanf(arg, "%d", &info.audacious.max_title_len);
 884                 if (info.audacious.max_title_len > 0) {
 885                         info.audacious.max_title_len++;
 886                 } else {
 887                         CRIT_ERR(obj, free_at_crash, "audacious_title: invalid length argument");
 888                 }
 889         END OBJ(audacious_length, &update_audacious)
 890         END OBJ(audacious_length_seconds, &update_audacious)
 891         END OBJ(audacious_position, &update_audacious)
 892         END OBJ(audacious_position_seconds, &update_audacious)
 893         END OBJ(audacious_bitrate, &update_audacious)
 894         END OBJ(audacious_frequency, &update_audacious)
 895         END OBJ(audacious_channels, &update_audacious)
 896         END OBJ(audacious_filename, &update_audacious)
 897         END OBJ(audacious_playlist_length, &update_audacious)
 898         END OBJ(audacious_playlist_position, &update_audacious)
 899         END OBJ(audacious_main_volume, &update_audacious)
 900 #ifdef X11
 901         END OBJ(audacious_bar, &update_audacious)
 902                 scan_bar(obj, arg);
 903 #endif /* X11 */
 904 #endif
 905 #ifdef BMPX
 906         END OBJ(bmpx_title, &update_bmpx)
 907                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 908         END OBJ(bmpx_artist, &update_bmpx)
 909                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 910         END OBJ(bmpx_album, &update_bmpx)
 911                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 912         END OBJ(bmpx_track, &update_bmpx)
 913                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 914         END OBJ(bmpx_uri, &update_bmpx)
 915                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 916         END OBJ(bmpx_bitrate, &update_bmpx)
 917                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 918 #endif
 919 #ifdef EVE
 920         END OBJ_ARG(eve, 0, "eve needs arguments: <userid> <apikey> <characterid>")
 921                 scan_eve(obj, arg);
 922 #endif
 923 #ifdef HAVE_CURL
 924         END OBJ_ARG(curl, 0, "curl needs arguments: <uri> <interval in minutes>")
 925                 curl_parse_arg(obj, arg);
 926 #endif
 927 #ifdef RSS
 928         END OBJ_ARG(rss, 0, "rss needs arguments: <uri> <interval in minutes> <action> [act_par] [spaces in front]")
 929                 rss_scan_arg(obj, arg);
 930 #endif
 931 #ifdef WEATHER
 932         END OBJ_ARG(weather, 0, "weather needs arguments: <uri> <locID> <data_type> [interval in minutes]")
 933                 scan_weather_arg(obj, arg, free_at_crash);
 934 #endif
 935 #ifdef XOAP
 936         END OBJ_ARG(weather_forecast, 0, "weather_forecast needs arguments: <uri> <locID> <day> <data_type> [interval in minutes]")
 937                 scan_weather_forecast_arg(obj, arg, free_at_crash);
 938 #endif
 939 #ifdef HAVE_LUA
 940         END OBJ_ARG(lua, 0, "lua needs arguments: <function name> [function parameters]")
 941                 obj->data.s = strndup(arg, text_buffer_size);
 942         END OBJ_ARG(lua_parse, 0, "lua_parse needs arguments: <function name> [function parameters]")
 943                 obj->data.s = strndup(arg, text_buffer_size);
 944         END OBJ_ARG(lua_bar, 0, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]")
 945                 arg = scan_bar(obj, arg);
 946                 if(arg) {
 947                         obj->data.s = strndup(arg, text_buffer_size);
 948                 } else {
 949                         CRIT_ERR(obj, free_at_crash, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]");
 950                 }
 951 #ifdef X11
 952         END OBJ_ARG(lua_graph, 0, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]")
 953                 char *buf = 0;
 954                 SIZE_DEFAULTS(graph);
 955                 buf = scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d,
 956                                 &obj->e, &obj->char_a, &obj->char_b);
 957                 if (buf) {
 958                         obj->data.s = buf;
 959                 } else {
 960                         CRIT_ERR(obj, free_at_crash, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]");
 961                 }
 962         END OBJ_ARG(lua_gauge, 0, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]")
 963                 SIZE_DEFAULTS(gauge);
 964                 arg = scan_gauge(arg, &obj->a, &obj->b);
 965                 if (arg) {
 966                         obj->data.s = strndup(arg, text_buffer_size);
 967                 } else {
 968                         CRIT_ERR(obj, free_at_crash, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]");
 969                 }
 970 #endif /* X11 */
 971 #endif /* HAVE_LUA */
 972 #ifdef HDDTEMP
 973         END OBJ(hddtemp, &update_hddtemp)
 974                 if (arg)
 975                         obj->data.s = strndup(arg, text_buffer_size);
 976 #endif /* HDDTEMP */
 977 #ifdef TCP_PORT_MONITOR
 978         END OBJ_ARG(tcp_portmon, &tcp_portmon_update, "tcp_portmon: needs arguments")
 979                 tcp_portmon_init(obj, arg);
 980 #endif /* TCP_PORT_MONITOR */
 981         END OBJ(entropy_avail, &update_entropy)
 982         END OBJ(entropy_perc, &update_entropy)
 983         END OBJ(entropy_poolsize, &update_entropy)
 984         END OBJ(entropy_bar, &update_entropy)
 985                 scan_bar(obj, arg);
 986         END OBJ_ARG(include, 0, "include needs a argument")
 987                 struct conftree *leaf = conftree_add(currentconffile, arg);
 988                 if(leaf) {
 989                         if (load_config_file(arg) == TRUE) {
 990                                 obj->sub = malloc(sizeof(struct text_object));
 991                                 currentconffile = leaf;
 992                                 extract_variable_text_internal(obj->sub, get_global_text());
 993                                 currentconffile = leaf->back;
 994                         } else {
 995                                 NORM_ERR("Can't load configfile '%s'.", arg);
 996                         }
 997                 } else {
 998                         NORM_ERR("You are trying to load '%s' recursively, I'm only going to load it once to prevent an infinite loop.", arg);
 999                 }
1000         END OBJ_ARG(blink, 0, "blink needs a argument")
1001                 obj->sub = malloc(sizeof(struct text_object));
1002                 extract_variable_text_internal(obj->sub, arg);
1003         END OBJ_ARG(to_bytes, 0, "to_bytes needs a argument")
1004                 obj->sub = malloc(sizeof(struct text_object));
1005                 extract_variable_text_internal(obj->sub, arg);
1006         END OBJ(scroll, 0)
1007                 parse_scroll_arg(obj, arg, free_at_crash);
1008         END OBJ_ARG(combine, 0, "combine needs arguments: <text1> <text2>")
1009                 parse_combine_arg(obj, arg, free_at_crash);
1010 #ifdef NVIDIA
1011         END OBJ_ARG(nvidia, 0, "nvidia needs an argument")
1012                 if (set_nvidia_type(obj, arg)) {
1013                         CRIT_ERR(obj, free_at_crash, "nvidia: invalid argument"
1014                                  " specified: '%s'\n", arg);
1015                 }
1016 #endif /* NVIDIA */
1017 #ifdef APCUPSD
1018         END OBJ_ARG(apcupsd, &update_apcupsd, "apcupsd needs arguments: <host> <port>")
1019                 char host[64];
1020                 int port;
1021                 if (sscanf(arg, "%63s %d", host, &port) != 2) {
1022                         CRIT_ERR(obj, free_at_crash, "apcupsd needs arguments: <host> <port>");
1023                 } else {
1024                         info.apcupsd.port = htons(port);
1025                         strncpy(info.apcupsd.host, host, sizeof(info.apcupsd.host));
1026                 }
1027         END OBJ(apcupsd_name, &update_apcupsd)
1028         END OBJ(apcupsd_model, &update_apcupsd)
1029         END OBJ(apcupsd_upsmode, &update_apcupsd)
1030         END OBJ(apcupsd_cable, &update_apcupsd)
1031         END OBJ(apcupsd_status, &update_apcupsd)
1032         END OBJ(apcupsd_linev, &update_apcupsd)
1033         END OBJ(apcupsd_load, &update_apcupsd)
1034         END OBJ(apcupsd_loadbar, &update_apcupsd)
1035                 scan_bar(obj, arg);
1036 #ifdef X11
1037         END OBJ(apcupsd_loadgraph, &update_apcupsd)
1038                 char* buf = 0;
1039                 SIZE_DEFAULTS(graph);
1040                 buf = scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d,
1041                                 &obj->e, &obj->char_a, &obj->char_b);
1042                 if (buf) free(buf);
1043         END OBJ(apcupsd_loadgauge, &update_apcupsd)
1044                 SIZE_DEFAULTS(gauge);
1045                 scan_gauge(arg, &obj->a, &obj->b);
1046 #endif /* X11 */
1047         END OBJ(apcupsd_charge, &update_apcupsd)
1048         END OBJ(apcupsd_timeleft, &update_apcupsd)
1049         END OBJ(apcupsd_temp, &update_apcupsd)
1050         END OBJ(apcupsd_lastxfer, &update_apcupsd)
1051 #endif /* APCUPSD */
1052         END {
1053                 char buf[256];
1054
1055                 NORM_ERR("unknown variable %s", s);
1056                 obj->type = OBJ_text;
1057                 snprintf(buf, 256, "${%s}", s);
1058                 obj->data.s = strndup(buf, text_buffer_size);
1059         }
1060 #undef OBJ
1061 #undef OBJ_IF
1062 #undef OBJ_ARG
1063 #undef OBJ_IF_ARG
1064 #undef __OBJ_HEAD
1065 #undef __OBJ_IF
1066 #undef __OBJ_ARG
1067 #undef END
1068 #undef SIZE_DEFAULTS
1069
1070         return obj;
1071 }
1072
1073 /*
1074  * - assumes that *string is '#'
1075  * - removes the part from '#' to the end of line ('\n' or '\0')
1076  * - it removes the '\n'
1077  * - copies the last char into 'char *last' argument, which should be a pointer
1078  *   to a char rather than a string.
1079  */
1080 static size_t remove_comment(char *string, char *last)
1081 {
1082         char *end = string;
1083         while (*end != '\0' && *end != '\n') {
1084                 ++end;
1085         }
1086         if (last) *last = *end;
1087         if (*end == '\n') end++;
1088         strfold(string, end - string);
1089         return end - string;
1090 }
1091
1092 size_t remove_comments(char *string)
1093 {
1094         char *curplace;
1095         size_t folded = 0;
1096         for (curplace = string; *curplace != 0; curplace++) {
1097                 if (*curplace == '\\' && *(curplace + 1) == '#') {
1098                         // strcpy can't be used for overlapping strings
1099                         strfold(curplace, 1);
1100                         folded += 1;
1101                 } else if (*curplace == '#') {
1102                         folded += remove_comment(curplace, 0);
1103                 }
1104         }
1105         return folded;
1106 }
1107
1108 int extract_variable_text_internal(struct text_object *retval, const char *const_p)
1109 {
1110         struct text_object *obj;
1111         char *p, *s, *orig_p;
1112         long line;
1113         void *ifblock_opaque = NULL;
1114         char *tmp_p;
1115         char *arg = 0;
1116         size_t len = 0;
1117
1118         p = strndup(const_p, max_user_text - 1);
1119         while (text_contains_templates(p)) {
1120                 char *tmp;
1121                 tmp = find_and_replace_templates(p);
1122                 free(p);
1123                 p = tmp;
1124         }
1125         s = orig_p = p;
1126
1127         if (strcmp(p, const_p)) {
1128                 DBGP("replaced all templates in text: input is\n'%s'\noutput is\n'%s'", const_p, p);
1129         } else {
1130                 DBGP("no templates to replace");
1131         }
1132
1133         memset(retval, 0, sizeof(struct text_object));
1134
1135         line = global_text_lines;
1136
1137         while (*p) {
1138                 if (*p == '\n') {
1139                         line++;
1140                 }
1141                 if (*p == '$') {
1142                         *p = '\0';
1143                         obj = create_plain_text(s);
1144                         if (obj != NULL) {
1145                                 append_object(retval, obj);
1146                         }
1147                         *p = '$';
1148                         p++;
1149                         s = p;
1150
1151                         if (*p != '$') {
1152                                 char buf[256];
1153                                 const char *var;
1154
1155                                 /* variable is either $foo or ${foo} */
1156                                 if (*p == '{') {
1157                                         unsigned int brl = 1, brr = 0;
1158
1159                                         p++;
1160                                         s = p;
1161                                         while (*p && brl != brr) {
1162                                                 if (*p == '{') {
1163                                                         brl++;
1164                                                 }
1165                                                 if (*p == '}') {
1166                                                         brr++;
1167                                                 }
1168                                                 p++;
1169                                         }
1170                                         p--;
1171                                 } else {
1172                                         s = p;
1173                                         if (*p == '#') {
1174                                                 p++;
1175                                         }
1176                                         while (*p && (isalnum((int) *p) || *p == '_')) {
1177                                                 p++;
1178                                         }
1179                                 }
1180
1181                                 /* copy variable to buffer */
1182                                 len = (p - s > 255) ? 255 : (p - s);
1183                                 strncpy(buf, s, len);
1184                                 buf[len] = '\0';
1185
1186                                 if (*p == '}') {
1187                                         p++;
1188                                 }
1189                                 s = p;
1190
1191                                 /* search for variable in environment */
1192
1193                                 var = getenv(buf);
1194                                 if (var) {
1195                                         obj = create_plain_text(var);
1196                                         if (obj) {
1197                                                 append_object(retval, obj);
1198                                         }
1199                                         continue;
1200                                 }
1201
1202                                 /* if variable wasn't found in environment, use some special */
1203
1204                                 arg = 0;
1205
1206                                 /* split arg */
1207                                 if (strchr(buf, ' ')) {
1208                                         arg = strchr(buf, ' ');
1209                                         *arg = '\0';
1210                                         arg++;
1211                                         while (isspace((int) *arg)) {
1212                                                 arg++;
1213                                         }
1214                                         if (!*arg) {
1215                                                 arg = 0;
1216                                         }
1217                                 }
1218
1219                                 /* lowercase variable name */
1220                                 tmp_p = buf;
1221                                 while (*tmp_p) {
1222                                         *tmp_p = tolower(*tmp_p);
1223                                         tmp_p++;
1224                                 }
1225
1226                                 obj = construct_text_object(buf, arg,
1227                                                 line, &ifblock_opaque, orig_p);
1228                                 if (obj != NULL) {
1229                                         append_object(retval, obj);
1230                                 }
1231                                 continue;
1232                         } else {
1233                                 obj = create_plain_text("$");
1234                                 s = p + 1;
1235                                 if (obj != NULL) {
1236                                         append_object(retval, obj);
1237                                 }
1238                         }
1239                 } else if (*p == '\\' && *(p+1) == '#') {
1240                         strfold(p, 1);
1241                 } else if (*p == '#') {
1242                         char c;
1243                         if (remove_comment(p, &c) && p > orig_p && c == '\n') {
1244                                 /* if remove_comment removed a newline, we need to 'back up' with p */
1245                                 p--;
1246                         }
1247                 }
1248                 p++;
1249         }
1250         obj = create_plain_text(s);
1251         if (obj != NULL) {
1252                 append_object(retval, obj);
1253         }
1254
1255         if (!ifblock_stack_empty(&ifblock_opaque)) {
1256                 NORM_ERR("one or more $endif's are missing");
1257         }
1258
1259         free(orig_p);
1260         return 0;
1261 }
1262
1263 /*
1264  * Frees the list of text objects root points to.  When internal = 1, it won't
1265  * free global objects.
1266  */
1267 void free_text_objects(struct text_object *root, int internal)
1268 {
1269         struct text_object *obj;
1270
1271         if (!root->prev) {
1272                 return;
1273         }
1274
1275 #define data obj->data
1276         for (obj = root->prev; obj; obj = root->prev) {
1277                 root->prev = obj->prev;
1278                 switch (obj->type) {
1279 #ifndef __OpenBSD__
1280                         case OBJ_acpitemp:
1281                                 close(data.i);
1282                                 break;
1283 #endif /* !__OpenBSD__ */
1284 #ifdef __linux__
1285                         case OBJ_i2c:
1286                         case OBJ_platform:
1287                         case OBJ_hwmon:
1288                                 free_sysfs_sensor(obj);
1289                                 break;
1290 #endif /* __linux__ */
1291                         case OBJ_read_tcp:
1292                                 free_read_tcp(obj);
1293                                 break;
1294                         case OBJ_time:
1295                         case OBJ_utime:
1296                                 free_time(obj);
1297                                 break;
1298                         case OBJ_tztime:
1299                                 free_tztime(obj);
1300                                 break;
1301                         case OBJ_mboxscan:
1302                                 free_mboxscan(obj);
1303                                 break;
1304                         case OBJ_mails:
1305                         case OBJ_new_mails:
1306                         case OBJ_seen_mails:
1307                         case OBJ_unseen_mails:
1308                         case OBJ_flagged_mails:
1309                         case OBJ_unflagged_mails:
1310                         case OBJ_forwarded_mails:
1311                         case OBJ_unforwarded_mails:
1312                         case OBJ_replied_mails:
1313                         case OBJ_unreplied_mails:
1314                         case OBJ_draft_mails:
1315                         case OBJ_trashed_mails:
1316                                 free_local_mails(obj);
1317                                 break;
1318                         case OBJ_imap_unseen:
1319                         case OBJ_imap_messages:
1320                         case OBJ_pop3_unseen:
1321                         case OBJ_pop3_used:
1322                                 free_mail_obj(obj);
1323                                 break;
1324                         case OBJ_if_empty:
1325                         case OBJ_if_match:
1326                                 free_text_objects(obj->sub, 1);
1327                                 free(obj->sub);
1328                                 /* fall through */
1329                         case OBJ_if_existing:
1330                         case OBJ_if_mounted:
1331                         case OBJ_if_running:
1332                                 free(data.ifblock.s);
1333                                 free(data.ifblock.str);
1334                                 break;
1335                         case OBJ_head:
1336                         case OBJ_tail:
1337                                 free_tailhead(obj);
1338                                 break;
1339                         case OBJ_text:
1340                         case OBJ_font:
1341                         case OBJ_image:
1342                         case OBJ_eval:
1343                         case OBJ_exec:
1344                         case OBJ_execbar:
1345 #ifdef X11
1346                         case OBJ_execgauge:
1347                         case OBJ_execgraph:
1348 #endif
1349                         case OBJ_execp:
1350                                 free_exec(obj);
1351                                 break;
1352 #ifdef HAVE_ICONV
1353                         case OBJ_iconv_start:
1354                                 free_iconv();
1355                                 break;
1356 #endif
1357 #ifdef __linux__
1358                         case OBJ_disk_protect:
1359                                 free(data.s);
1360                                 break;
1361                         case OBJ_if_gw:
1362                                 free(data.ifblock.s);
1363                                 free(data.ifblock.str);
1364                         case OBJ_gw_iface:
1365                         case OBJ_gw_ip:
1366                                 free_gateway_info();
1367                                 break;
1368                         case OBJ_ioscheduler:
1369                                 if(data.s)
1370                                         free(data.s);
1371                                 break;
1372 #endif
1373 #if (defined(__FreeBSD__) || defined(__linux__))
1374                         case OBJ_if_up:
1375                                 free_if_up(obj);
1376                                 break;
1377 #endif
1378 #ifdef XMMS2
1379                         case OBJ_xmms2_artist:
1380                                 if (info.xmms2.artist) {
1381                                         free(info.xmms2.artist);
1382                                         info.xmms2.artist = 0;
1383                                 }
1384                                 break;
1385                         case OBJ_xmms2_album:
1386                                 if (info.xmms2.album) {
1387                                         free(info.xmms2.album);
1388                                         info.xmms2.album = 0;
1389                                 }
1390                                 break;
1391                         case OBJ_xmms2_title:
1392                                 if (info.xmms2.title) {
1393                                         free(info.xmms2.title);
1394                                         info.xmms2.title = 0;
1395                                 }
1396                                 break;
1397                         case OBJ_xmms2_genre:
1398                                 if (info.xmms2.genre) {
1399                                         free(info.xmms2.genre);
1400                                         info.xmms2.genre = 0;
1401                                 }
1402                                 break;
1403                         case OBJ_xmms2_comment:
1404                                 if (info.xmms2.comment) {
1405                                         free(info.xmms2.comment);
1406                                         info.xmms2.comment = 0;
1407                                 }
1408                                 break;
1409                         case OBJ_xmms2_url:
1410                                 if (info.xmms2.url) {
1411                                         free(info.xmms2.url);
1412                                         info.xmms2.url = 0;
1413                                 }
1414                                 break;
1415                         case OBJ_xmms2_date:
1416                                 if (info.xmms2.date) {
1417                                         free(info.xmms2.date);
1418                                         info.xmms2.date = 0;
1419                                 }
1420                                 break;
1421                         case OBJ_xmms2_status:
1422                                 if (info.xmms2.status) {
1423                                         free(info.xmms2.status);
1424                                         info.xmms2.status = 0;
1425                                 }
1426                                 break;
1427                         case OBJ_xmms2_playlist:
1428                                 if (info.xmms2.playlist) {
1429                                         free(info.xmms2.playlist);
1430                                         info.xmms2.playlist = 0;
1431                                 }
1432                                 break;
1433                         case OBJ_xmms2_smart:
1434                                 if (info.xmms2.artist) {
1435                                         free(info.xmms2.artist);
1436                                         info.xmms2.artist = 0;
1437                                 }
1438                                 if (info.xmms2.title) {
1439                                         free(info.xmms2.title);
1440                                         info.xmms2.title = 0;
1441                                 }
1442                                 if (info.xmms2.url) {
1443                                         free(info.xmms2.url);
1444                                         info.xmms2.url = 0;
1445                                 }
1446                                 break;
1447 #endif
1448 #ifdef BMPX
1449                         case OBJ_bmpx_title:
1450                         case OBJ_bmpx_artist:
1451                         case OBJ_bmpx_album:
1452                         case OBJ_bmpx_track:
1453                         case OBJ_bmpx_uri:
1454                         case OBJ_bmpx_bitrate:
1455                                 break;
1456 #endif
1457 #ifdef EVE
1458                         case OBJ_eve:
1459                                 free_eve(obj);
1460                                 break;
1461 #endif
1462 #ifdef HAVE_CURL
1463                         case OBJ_curl:
1464                                 curl_obj_free(obj);
1465                                 break;
1466 #endif
1467 #ifdef RSS
1468                         case OBJ_rss:
1469                                 rss_free_obj_info(obj);
1470                                 break;
1471 #endif
1472 #ifdef WEATHER
1473                         case OBJ_weather:
1474                                 free_weather(obj);
1475                                 break;
1476 #endif
1477 #ifdef XOAP
1478                         case OBJ_weather_forecast:
1479                                 free_weather(obj);
1480                                 break;
1481 #endif
1482 #ifdef HAVE_LUA
1483                         case OBJ_lua:
1484                         case OBJ_lua_parse:
1485                         case OBJ_lua_bar:
1486 #ifdef X11
1487                         case OBJ_lua_graph:
1488                         case OBJ_lua_gauge:
1489 #endif /* X11 */
1490                                 free(data.s);
1491                                 break;
1492 #endif /* HAVE_LUA */
1493                         case OBJ_pre_exec:
1494                                 break;
1495 #ifndef __OpenBSD__
1496                         case OBJ_battery:
1497                                 free(data.s);
1498                                 break;
1499                         case OBJ_battery_short:
1500                                 free(data.s);
1501                                 break;
1502                         case OBJ_battery_time:
1503                                 free(data.s);
1504                                 break;
1505 #endif /* !__OpenBSD__ */
1506                         case OBJ_execpi:
1507                         case OBJ_execi:
1508                         case OBJ_execibar:
1509                         case OBJ_texeci:
1510 #ifdef X11
1511                         case OBJ_execigraph:
1512                         case OBJ_execigauge:
1513 #endif /* X11 */
1514                                 free_execi(obj);
1515                                 break;
1516                         case OBJ_nameserver:
1517                                 free_dns_data();
1518                                 break;
1519                         case OBJ_top:
1520                         case OBJ_top_mem:
1521                         case OBJ_top_time:
1522 #ifdef IOSTATS
1523                         case OBJ_top_io:
1524 #endif
1525                                 free_top(obj, internal);
1526                                 break;
1527 #ifdef HDDTEMP
1528                         case OBJ_hddtemp:
1529                                 if (data.s) {
1530                                         free(data.s);
1531                                         data.s = NULL;
1532                                 }
1533                                 free_hddtemp();
1534                                 break;
1535 #endif /* HDDTEMP */
1536                         case OBJ_entropy_avail:
1537                         case OBJ_entropy_perc:
1538                         case OBJ_entropy_poolsize:
1539                         case OBJ_entropy_bar:
1540                                 break;
1541                         case OBJ_user_names:
1542                                 if (info.users.names) {
1543                                         free(info.users.names);
1544                                         info.users.names = 0;
1545                                 }
1546                                 break;
1547                         case OBJ_user_terms:
1548                                 if (info.users.terms) {
1549                                         free(info.users.terms);
1550                                         info.users.terms = 0;
1551                                 }
1552                                 break;
1553                         case OBJ_user_times:
1554                                 if (info.users.times) {
1555                                         free(info.users.times);
1556                                         info.users.times = 0;
1557                                 }
1558                                 break;
1559 #ifdef IBM
1560                         case OBJ_smapi:
1561                         case OBJ_smapi_bat_perc:
1562                         case OBJ_smapi_bat_temp:
1563                         case OBJ_smapi_bat_power:
1564                                 free(data.s);
1565                                 break;
1566                         case OBJ_if_smapi_bat_installed:
1567                                 free(data.ifblock.s);
1568                                 free(data.ifblock.str);
1569                                 break;
1570 #endif /* IBM */
1571 #ifdef NVIDIA
1572                         case OBJ_nvidia:
1573                                 free_nvidia(obj);
1574                                 break;
1575 #endif /* NVIDIA */
1576 #ifdef MPD
1577                         case OBJ_mpd_title:
1578                         case OBJ_mpd_artist:
1579                         case OBJ_mpd_album:
1580                         case OBJ_mpd_random:
1581                         case OBJ_mpd_repeat:
1582                         case OBJ_mpd_vol:
1583                         case OBJ_mpd_bitrate:
1584                         case OBJ_mpd_status:
1585                         case OBJ_mpd_bar:
1586                         case OBJ_mpd_elapsed:
1587                         case OBJ_mpd_length:
1588                         case OBJ_mpd_track:
1589                         case OBJ_mpd_name:
1590                         case OBJ_mpd_file:
1591                         case OBJ_mpd_percent:
1592                         case OBJ_mpd_smart:
1593                         case OBJ_if_mpd_playing:
1594                                 free_mpd();
1595                                 break;
1596 #endif /* MPD */
1597 #ifdef MOC
1598                         case OBJ_moc_state:
1599                         case OBJ_moc_file:
1600                         case OBJ_moc_title:
1601                         case OBJ_moc_artist:
1602                         case OBJ_moc_song:
1603                         case OBJ_moc_album:
1604                         case OBJ_moc_totaltime:
1605                         case OBJ_moc_timeleft:
1606                         case OBJ_moc_curtime:
1607                         case OBJ_moc_bitrate:
1608                         case OBJ_moc_rate:
1609                                 free_moc();
1610                                 break;
1611 #endif /* MOC */
1612                         case OBJ_include:
1613                         case OBJ_blink:
1614                         case OBJ_to_bytes:
1615                                 if(obj->sub) {
1616                                         free_text_objects(obj->sub, 1);
1617                                         free(obj->sub);
1618                                 }
1619                                 break;
1620                         case OBJ_scroll:
1621                                 free_scroll(obj);
1622                                 break;
1623                         case OBJ_combine:
1624                                 free_combine(obj);
1625                                 break;
1626 #ifdef APCUPSD
1627                         case OBJ_apcupsd:
1628                         case OBJ_apcupsd_name:
1629                         case OBJ_apcupsd_model:
1630                         case OBJ_apcupsd_upsmode:
1631                         case OBJ_apcupsd_cable:
1632                         case OBJ_apcupsd_status:
1633                         case OBJ_apcupsd_linev:
1634                         case OBJ_apcupsd_load:
1635                         case OBJ_apcupsd_loadbar:
1636 #ifdef X11
1637                         case OBJ_apcupsd_loadgraph:
1638                         case OBJ_apcupsd_loadgauge:
1639 #endif /* X11 */
1640                         case OBJ_apcupsd_charge:
1641                         case OBJ_apcupsd_timeleft:
1642                         case OBJ_apcupsd_temp:
1643                         case OBJ_apcupsd_lastxfer:
1644                                 break;
1645 #endif /* APCUPSD */
1646 #ifdef TCP_PORT_MONITOR
1647                         case OBJ_tcp_portmon:
1648                                 tcp_portmon_free(obj);
1649                                 break;
1650 #endif /* TCP_PORT_MONITOR */
1651 #ifdef X11
1652                         case OBJ_desktop:
1653                         case OBJ_desktop_number:
1654                         case OBJ_desktop_name:
1655                                 if(info.x11.desktop.name && !internal) {
1656                                   free(info.x11.desktop.name);
1657                                   info.x11.desktop.name = NULL;
1658                                 }
1659                                 if(info.x11.desktop.all_names && !internal) {
1660                                   free(info.x11.desktop.all_names);
1661                                   info.x11.desktop.all_names = NULL;
1662                                 }
1663                                 break;
1664 #endif /* X11 */
1665                 }
1666                 free(obj);
1667         }
1668 #undef data
1669 }
1670